Washington DC, March 26 -- Maria Shriver detailed her emotional breakdown after discovering her ex-husband Arnold Schwarzenegger's affair with their family's housekeeper Mildred Baena, reported People.

In her book, 'I Am Maria', the American journalist shared that she broke down in tears after learning about Arnold's affair with whom she shared kids Katherine Schwarzenegger Pratt, Christina Schwarzenegger, Patrick Schwarzenegger, and Christopher Schwarzenegger.

Taken from the excerpt of the book as quoted by People Magazine, Shriver wrote, "As I sat on the hotel room floor in the dark, terrified and alone with tears streaming down my face. I thought to myself: Maria, this doesn't have to be the end of the you. It can't be the end of you...